Pith Number

pith:ASGNPLA7

pith:2012:ASGNPLA7JYQ3PLR7OKEJIJF3W5

not attested not anchored not stored refs pending

Correlation Analysis of a Large Sample of Narrow-Line Seyfert 1 Galaxies: Linking Central Engine and Host Properties

Cheng Li, Dawei Xu, Dirk Grupe, Honglin Lu, Hongyan Zhou, Jing Wang, S. Komossa, Weimin Yuan

arxiv:1201.2810 v1 · 2012-01-13 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ASGNPLA7JYQ3PLR7OKEJIJF3W5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:58:49.755510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

048cd7ac1f4e21b7ae3f72889424bbb752a92e7dba232c5a71a4c486e024c9e3

Aliases

arxiv: 1201.2810 · arxiv_version: 1201.2810v1 · doi: 10.48550/arxiv.1201.2810 · pith_short_12: ASGNPLA7JYQ3 · pith_short_16: ASGNPLA7JYQ3PLR7 · pith_short_8: ASGNPLA7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ASGNPLA7JYQ3PLR7OKEJIJF3W5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 048cd7ac1f4e21b7ae3f72889424bbb752a92e7dba232c5a71a4c486e024c9e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37d862e8c81371c60d557ac486fb0898e412cdd48ea6e4b7862423337d68cc4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-13T11:51:49Z",
    "title_canon_sha256": "6fef78416149cfbb5e135dd6c3ce76ba770483ca854f164995a8d8270c5741c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2810",
    "kind": "arxiv",
    "version": 1
  }
}